pkg を解凍するスクリプト。新旧対応、ついでに rar も

gistfile1.rb

#!/usr/bin/env ruby

require "tmpdir"

def proccess_rar(file)
  param=["x", file]
  system(["unrar", "unrar"], *param)

end

def proccess_flat_pkg(file)
  tmpDir="./tmp"
  Dir.mktmpdir("pkg_extract_", "./"){|dir|
    tmpDir=dir
  }
  param=["--expand", file, tmpDir]
  system(["pkgutil", "pkgutil"], *param)
end

def proccess_old_pkg(file)
  param=["-rzf", file+"/Contents/Archive.pax.gz"]
  system(["pax", "pax"], *param)
end

def proccess_new_pkg(file)
  bomPath=file+"/Bom"
  payloadPath=file+"/Payload"
  param=["-x", "--bom", bomPath, payloadPath, "./"]
  system(["ditto", "ditto"], *param)
end

def proccess_pkg_pkg(file)
  if FileTest::exist?(file+"/Contents/Archive.pax.gz") then
    proccess_old_pkg(file)
  elsif FileTest::exist?(file+"/Bom") then
    proccess_new_pkg(file)
  end
end

def proccess_pkg(file)
  if FileTest::directory?(file) then
    proccess_pkg_pkg(file)
  else
    proccess_flat_pkg(file)
  end
end

file=ARGV[0]
if file.end_with?(".pkg") then
  proccess_pkg(file)
elsif file.end_with?(".rar") then
  proccess_rar(file)
else
  p "wrong param"
end